petsc-master 2016-02-06
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Finds a file from a name and a path string. A default can be provided.


PetscErrorCode  PetscGetFileFromPath(char *path,char *defname,char *name,char *fname,char mode)
Not Collective

Input Parameters

path - A string containing "directory:directory:..." (without the quotes, of course). As a special case, if the name is a single FILE, that file is used.
defname - default name
name - file name to use with the directories from env
mode - file mode desired (usually r for readable, w for writable, or e for executable)

Output Parameter

fname -qualified file name

Developer Notes: Wrongly returns 1 as an error code sometimes. Maybe should have additional flag argument indicating if it found it. Most arguments likely should be const.

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